pjs/js/perf/tests/array/slice-001.js

85 строки
2.9 KiB
JavaScript

/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is JavaScript Engine performance test.
*
* The Initial Developer of the Original Code is Netscape Communications Corp.
* Portions created by the Initial Developer are Copyright (C) 2002
* the Initial Developer. All Rights Reserved.
*
* Contributor(s): Mazie Lobo mazielobo@netscape.com
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK *****
*
*
* Date: 04 October 2002
* SUMMARY: Testing |slice()| method of an Array.
* Extracts a section of an array and returns a new array.
* |slice()| does not alter the original array, but returns a new
* "one level deep" copy that contains copies of the elements sliced
* from the original array.
*
* Syntax: slice(begin[,end])
*/
//-----------------------------------------------------------------------------
var UBOUND=100000;
test();
function test()
{
var u_bound=UBOUND;
var status;
var start;
var end;
var i;
var elt0, elt1, elt2, elt3, elt4, elt5, elt6, elt7, elt8, elt9;
var arr;
// Array containing 5 elements
arr = new Array(elt0, elt1, elt2, elt3, elt4);
status = "slice() - 5 elements";
start = new Date();
for(i=0;i<u_bound; i++)
{
arr.slice(1,3);
}
end = new Date();
reportTime(status, start, end);
// Array containing 10 elements
arr = new Array(elt0, elt1, elt2, elt3, elt4, elt5, elt6, elt7, elt8, elt9);
status = "slice() - 10 elements";
start = new Date();
for(i=0;i<u_bound; i++)
{
arr.slice(2,8);
}
end = new Date();
reportTime(status, start, end);
}